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公开(公告)号：US20180209888A1
公开(公告)日：2018-07-26
申请号：US15853128
申请日：2017-12-22
Applicant: International Business Machines Corporation
Inventor： Josephine B. Chang , Hendrik F. Hamann , Ramachandran Muralidhar , Theodore G. van Kessel , Jun Song Wang
CPC classification number: G01N15/06 , G01N15/0205 , G01N15/0211 , G01N15/1459 , G01N21/53 , G01N2015/0046 , G01N2015/0693 , G01N2015/1486 , G01N2201/0636 , G01N2201/068
Abstract: Atmospheric particle detectors having a hybrid measurement cavity and light baffle are provided. In one aspect, an atmospheric particle detector includes: an optical measurement cavity; a light baffle attached to the optical measurement cavity, wherein the light baffle is configured to i) permit unobstructed airflow into the optical measurement cavity and ii) block ambient light from entering the optical measurement cavity; a photodetector on a first side of the optical measurement cavity; a retro reflector on a second side of the optical measurement cavity opposite the photodetector, and a light source configured to produce a light beam that passes through the optical measurement cavity without illuminating the photodetector. A method for particle detection using the atmospheric particle detector is also provided.
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公开(公告)号：US09525497B2
公开(公告)日：2016-12-20
申请号：US14717291
申请日：2015-05-20
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor： Yu Bo Li , Yong Hua Lin , Jianbin Tang , Jun Song Wang , Qi Jun Wang , Qing Wang
CPC classification number: H04B15/00 , H04B1/0082 , H04W24/10 , H04W72/082
Abstract: A method for processing interference in wireless communication at a base station, wherein at least some of a plurality of (Radio Frequency) RF channels in the base station operates at a current operating frequency point assigned to the base station includes detecting interference of one or more candidate frequency points by using at least one RF channel, wherein the one or more candidate frequency points are different from the current operating frequency point; reporting result of detecting interference of the one or more candidate frequency points to a resource manager; and in response to the resource manager assigning one of the one or more candidate frequency points to the base station, notifying a user to switch from the current operating frequency point to the assigned candidate frequency point.
Abstract translation: 一种用于在基站处理无线通信中的干扰的方法，其中所述基站中的多个（射频）RF信道中的至少一些在分配给所述基站的当前操作频率点处操作包括检测一个或多个 使用至少一个RF信道的候选频率点，其中所述一个或多个候选频率点与当前操作频率点不同; 将所述一个或多个候选频点的干扰检测到资源管理器的报告结果; 并且响应于资源管理器将一个或多个候选频率点中的一个分配给基站，通知用户从当前操作频点切换到所分配的候选频点。
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公开(公告)号：US20160309450A1
公开(公告)日：2016-10-20
申请号：US15193891
申请日：2016-06-27
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor： Mingqiang Li , Jun Song Wang , Qing Wang , Chao Xue
CPC classification number: H04L12/6418 , H04W72/04 , H04W84/045
Abstract: A home base station system and method for managing data caching. The home base station system includes: a plurality of home base stations used to provide wireless communication to at least one mobile terminal, wherein the plurality of home base stations are connected to a wide area network via a local area network, and wherein the plurality of home base stations are interconnected via a local area network; and a server, wherein the server is connected to the plurality of home base stations via the local area network, and wherein the server is used to manage caching of data in a home base station system.
Abstract translation: 家庭基站系统和数据缓存管理方法。 家庭基站系统包括：用于向至少一个移动终端提供无线通信的多个家庭基站，其中所述多个家庭基站经由局域网连接到广域网，并且其中所述多个 家庭基站通过局域网相互连接; 以及服务器，其中所述服务器经由所述局域网连接到所述多个家庭基站，并且其中所述服务器用于管理家庭基站系统中的数据的高速缓存。
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公开(公告)号：US09247538B2
公开(公告)日：2016-01-26
申请号：US14800154
申请日：2015-07-15
Applicant: International Business Machines Corporation
Inventor： Yong Hua Lin , Jianbin Tang , Qing Wang , Jun Song Wang , Rong Yan , Hai Zhan , Chao Zhu , Zhen Bo Zhu
CPC classification number: H04W16/14 , H04L1/0026 , H04L27/2691 , H04W24/08 , H04W24/10 , H04W28/04 , H04W72/005 , H04W72/042 , H04W72/0453 , H04W72/082 , H04W74/085
Abstract: An apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
Abstract translation: 一种用于在正交频分复用基于OFDM的无线通信系统中共享频率的装置，其中所述基于OFDM的无线通信系统包括在无线电频带内工作的基站和移动设备，所述方法包括：检测干扰 无线电频段信号; 由基站根据干扰信号设置要发送给移动设备的下行链路帧的控制报头中的干扰指示信息，指示由射频中的干扰信号占用的频率范围的干扰指示信息 带; 以及由所述基站向所述移动设备发送下行链路帧，使得所述移动设备可以基于所述干扰指示信息来避免所述干扰信号所在的频率范围。
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公开(公告)号：US20140293895A1
公开(公告)日：2014-10-02
申请号：US14224306
申请日：2014-03-25
Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Inventor： Yonghua Lin , Jianbin Tang , Jun Song Wang , Qing Wang
IPC: H04L5/00
CPC classification number: H04L5/0062 , H04L5/0007 , H04L5/0037 , H04L5/0053
Abstract: A method and system for processing interference received by a wireless communication terminal. The method including: receiving interference information from the wireless communication terminal, wherein the interference information is used to identify an interfered sub-channel(s) of the wireless communication terminal; and adjusting a downlink resource allocated to the wireless communication terminal based on the interference information. The system including: a memory; a processor communicatively coupled to the memory; and a feature selection module communicatively coupled to the memory and the processor, wherein the feature selection module is configured to perform the steps of a method including: detecting interference received by a wireless communication terminal; identifying interfered sub-channel(s) of the terminal to obtain interference information of the terminal; and reporting interference information to a base station for the base station to adjust a downlink resource allocated to the terminal based on interference information.
Abstract translation: 一种用于处理由无线通信终端接收的干扰的方法和系统。 所述方法包括：从所述无线通信终端接收干扰信息，其中所述干扰信息用于识别所述无线通信终端的受干扰子信道; 以及基于所述干扰信息来调整分配给所述无线通信终端的下行链路资源。 系统包括：存储器; 通信地耦合到所述存储器的处理器; 以及通信地耦合到所述存储器和所述处理器的特征选择模块，其中所述特征选择模块被配置为执行以下方法的步骤：包括：检测由无线通信终端接收的干扰; 识别终端的受干扰子信道以获得终端的干扰信息; 并向基站报告干扰信息，以便基站根据干扰信息来调整分配给终端的下行链路资源。
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Patent Agency Ranking
公开(公告)号：US09686040B2
公开(公告)日：2017-06-20
申请号：US14741801
申请日：2015-06-17
Applicant: International Business Machines Corporation
Inventor： Yonghua Lin , Jianbin Tang , Jun Song Wang , Qi Jun Wang
CPC classification number: H04L1/0015 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0035 , H04L1/20
Abstract: An adaptive modulation coding method includes obtaining an estimated signal-to-interference-plus-noise ratio (SINR) and a packet error rate (PER) of a communication link of a user terminal; setting a first adjustment amount of the SINR of the communication link according to the PER of the communication link; calculating an effective SINR of the communication link according to the estimated SINR of the communication link and the first adjustment amount of the SINR of the communication link; and determining a modulation coding scheme of the communication link according to the effective SINR of the communication link.
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7.发明授权公开(公告)号：US09444667B2
公开(公告)日：2016-09-13
申请号：US14983948
申请日：2015-12-30
Applicant: International Business Machines Corporation
Inventor： Xin Hao Cheng , Yong Hua Lin , Jianbin Tang , Jun Song Wang
CPC classification number: H04L27/2605 , H04L5/0039 , H04L27/2601 , H04L27/2602 , H04L27/2627 , H04W72/0453
Abstract: A method for signal modulation includes determining at least one guard band between at least two continuous available sub-bands among multiple available sub-bands that can be used by a communication entity and are discrete; and using the at least one guard band in signal modulation for the communication entity.
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8.发明申请公开(公告)号：US20160112232A1
公开(公告)日：2016-04-21
申请号：US14983948
申请日：2015-12-30
Applicant: International Business Machines Corporation
Inventor： Xin Hao Cheng , Yong Hua Lin , Jianbin Tang , Jun Song Wang
CPC classification number: H04L27/2605 , H04L5/0039 , H04L27/2601 , H04L27/2602 , H04L27/2627 , H04W72/0453
Abstract: A method for signal modulation includes determining at least one guard band between at least two continuous available sub-bands among multiple available sub-bands that can be used by a communication entity and are discrete; and using the at least one guard band in signal modulation for the communication entity.
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9.发明授权公开(公告)号：US09288093B2
公开(公告)日：2016-03-15
申请号：US14626195
申请日：2015-02-19
Applicant: International Business Machines Corporation
Inventor： Xin Hao Cheng , Yong Hua Lin , Jianbin Tang , Jun Song Wang
CPC classification number: H04L27/2605 , H04L5/0039 , H04L27/2601 , H04L27/2602 , H04L27/2627 , H04W72/0453
Abstract: A method for signal modulation includes determining at least one guard band between at least two continuous available sub-bands among multiple available sub-bands that can be used by a communication entity and are discrete; and using the at least one guard band in signal modulation for the communication entity.
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公开(公告)号：US09271292B2
公开(公告)日：2016-02-23
申请号：US13928503
申请日：2013-06-27
Applicant: International Business Machines Corporation
Inventor： Xinhao Cheng , Yonghua Lin , Hang Liu , Jianbin Tang , Jun Song Wang , Qing Wang , Xian Wei Yi , Zhen Bo Zhu
CPC classification number: H04W72/0453 , H04J11/0026 , H04L27/2647 , H04W72/1231
Abstract: This invention relates to wireless signal process, and discloses a method for interference process of an interference signal in an OFDM based wireless communication system, comprising: receiving an interference signal; performing time domain and frequency domain analyses on the interference signal to obtain interference characteristics of the interference signal; determining an interference category of the interference signal according to the interference characteristics of the interference signal; and performing interference process on the interference signal in view of the interference category of the interference signal. The method for interference signal process of this invention is effective to both homogeneous network interference and heterogeneous network interference, so that frequency spectrum sharing of homogeneous networks and existing heterogeneous networks can be realized.
Abstract translation: 本发明涉及无线信号处理，并公开了一种在基于OFDM的无线通信系统中干扰信号的干扰处理方法，包括：接收干扰信号; 对干扰信号进行时域和频域分析，获得干扰信号的干扰特性; 根据干扰信号的干扰特性确定干扰信号的干扰类别; 考虑到干扰信号的干扰类别，对干扰信号进行干扰处理。 本发明的干扰信号处理方法对于均匀网络干扰和异构网络干扰都是有效的，从而可以实现均匀网络和现有异构网络的频谱共享。
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